0 to change electronic information or signals that were stored, written, or sent in the form of a secret code (= a system of letters, numbers, or symbols) back into a form that you can understand and use normally: --
1 to change electronic information that was written in code (= a system of letters, numbers, or symbols) back into a form that you can understand and use normally: --
How much information can be decrypted?
The choice of which key to disclose, if there is more than one which can decrypt the relevant information, is very much left to the recipient of the notice.
Well, some police officers came in and asked me to get the cryptographic keys, so that we could decrypt something.
Even this—the power to demand that data be decrypted—is simply a necessary response to new technologies.
What does he have to say about e-mails that are encrypted and decrypted by drug dealers?
One can take a better route to ensure that people can decrypt as much as possible.
It is unreasonable to force someone to give away the key so that some other person can decrypt.
Then, if he is investigated by the police, he will simply refuse to hand over the key to decrypt the files.